Issues

• robots-txt audit fails under connect-src 'none' despite valid robots.txt

  GoogleChrome/lighthouse#17292 · Filter by author pederbe opened on Oct 7, 2026

• Reduce memory usage

  GoogleChrome/lighthouse#17291 · Filter by author connorjclark opened on Oct 7, 2026

• Fix webmcp smoke test

  agentic-webtest backlog
  GoogleChrome/lighthouse#17277 · Filter by author connorjclark opened on Oct 6, 2026
  

• Consider making the ARD checks re: legacy sources high-severity

  14.0agentic-web
  GoogleChrome/lighthouse#17271 · Filter by author connorjclark opened on Oct 6, 2026
  1

• robots-txt audit errors on a 304 or 300 response for /robots.txt and nulls the SEO score

  P1
  GoogleChrome/lighthouse#17268 · Filter by author coygeek opened on Oct 5, 2026
  1

• docs(readme): consider Web Performance Budget Gate for Related projects

  GoogleChrome/lighthouse#17254 · Filter by author KRISHNAMMurarka opened on Sep 28, 2026

• [Agentic Web] ard-schema not updated for ARD v0.91

  GoogleChrome/lighthouse#17251 · Filter by author frmoretto opened on Sep 22, 2026
  

• PageSpeed Insights / Lighthouse synthetic performance results may not always measure the same page lifecycle experienced by a normal first-time user.

  bug
  GoogleChrome/lighthouse#17244 · Filter by author riccardobasti opened on Sep 17, 2026

• PageSpeed Insights intermittently includes unrelated bzr.openai.com requests in network dependency tree

  bug
  GoogleChrome/lighthouse#17240 · Filter by author ecosurveyswales opened on Sep 15, 2026
  1

• PSI intermittently attributes unrelated URL request to first-party script in Network Dependency Tree

  bug
  GoogleChrome/lighthouse#17237 · Filter by author gbhmacace opened on Sep 11, 2026
  1

• PSI/Lightrider: observedFirstPaint 1.1–2.2 s after the frame is on the filmstrip; reproducible on Shopify storefronts

  bug
  GoogleChrome/lighthouse#17230 · Filter by author Naveed-756 opened on Sep 10, 2026
  2

• Disable

  bug
  GoogleChrome/lighthouse#17229 · Filter by author sergeybrin40-cyber opened on Sep 9, 2026

• PSI sometimes stalls for a full second to show content, even without app JS or web fonts

  GoogleChrome/lighthouse#17227 · Filter by author hanford opened on Sep 8, 2026
  3

• نوزاد.

  GoogleChrome/lighthouse#17226 · Filter by author mohsen0217mk opened on Sep 8, 2026

• PageSpeed Insights network dependency tree shows unrelated Vimeo and LEGO-associated requests

  bug
  GoogleChrome/lighthouse#17223 · Filter by author thomaspapanikolaou opened on Sep 6, 2026
  1

• Baseline audit detects false-positive features triggered by internal gatherers

  bug
  GoogleChrome/lighthouse#17218 · Filter by author rviscomi opened on Sep 4, 2026
  

• PageSpeed Insights seemingly cannot download MP4s - negatively affecting score

  bug
  GoogleChrome/lighthouse#17216 · Filter by author rgpublic opened on Sep 3, 2026
  1

• Proposal: add PulseCare to Web Perf services in README.md

  GoogleChrome/lighthouse#17209 · Filter by author iRay opened on Sep 1, 2026

• error

  GoogleChrome/lighthouse#17192 · Filter by author Handwerk-direkt-24 opened on Aug 23, 2026

• Target.getTargetInfo: Not allowed crash on pages with cross-origin iframes

  bugpending-close
  GoogleChrome/lighthouse#17180 · Filter by author HardikGoyal2003 opened on Aug 20, 2026
  2

• NO_LCP in PageSpeed Insights with Lighthouse 13.4.1 despite fully rendered page

  bug
  GoogleChrome/lighthouse#17179 · Filter by author Petr008 opened on Aug 18, 2026
  5

• Third-party scripts detect Lighthouse via its injected globals (__nativePromise / __nativePerformance) to evade measurement

  GoogleChrome/lighthouse#17176 · Filter by author jacoborbach opened on Aug 16, 2026

• Lantern FCP may keep non-blocking module scripts in the render-blocking graph

  P1simulation / lantern
  GoogleChrome/lighthouse#17163 · Filter by author Shyroe opened on Aug 9, 2026
  3

  

• Observed FCP/LCP inflated by whole seconds in headless runs (viz ThrottleUnresponsiveClient BeginFrame throttling) - reproduces on PSI

  GoogleChrome/lighthouse#17148 · Filter by author Ciki opened on Jul 28, 2026
  6

• Zawthatnaing

  GoogleChrome/lighthouse#17134 · Filter by author zn441293-sys opened on Jul 16, 2026